diff --git a/examples/plot_basic_usage.py b/examples/plot_basic_usage.py
index dce35b0..1d725ee 100644
--- a/examples/plot_basic_usage.py
+++ b/examples/plot_basic_usage.py
@@ -63,8 +63,8 @@ def score_function(X):
 
 print("Pairwise comparison (one vs group):", xai.pairwise(X[2], X[5:10]))
 
-pairlist=[(X[2], X[3]), (X[2], X[4]), (X[2], X[2]), (X[4], X[2])]
-print("Pairwise comparison (group of pairs):", xai.pairwise_all(pairlist))
+pairlist = ([X[2], X[2], X[2], X[4]], [X[3], X[4], X[2], X[2]])
+print("Pairwise comparison (group of pairs):", xai.pairwise_set(*pairlist))
 
 
 ######################################################################################
diff --git a/sharp/base.py b/sharp/base.py
index eb84359..c1dd13c 100644
--- a/sharp/base.py
+++ b/sharp/base.py
@@ -259,23 +259,16 @@ def pairwise(self, sample1, sample2, **kwargs):
             **kwargs
         )
 
-    def pairwise_all(self, pairs, **kwargs):
+    def pairwise_set(self, samples1, samples2, **kwargs):
         """
         set_cols_idx should be passed in kwargs if measure is marginal
         pairs is a list of tuples of indexes
         """
-        # X_ref = self._X if self._X is not None else check_inputs(X)[0]
-
-        if "sample_size" in kwargs.keys():
-            sample_size = 1
-
-        influences = parallel_loop(
-            lambda idx: self.individual(
-                pairs[idx][0].reshape(1, -1), X=pairs[idx][1].reshape(1, -1), verbose=False, **kwargs
-            ),
-            range(len(pairs)),
+        contributions = parallel_loop(
+            lambda samples: self.pairwise(*samples, verbose=False, **kwargs),
+            zip(samples1, samples2),
             n_jobs=self.n_jobs,
             progress_bar=self.verbose,
         )
 
-        return np.array(influences)
+        return np.array(contributions)